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D3 400 IU

product on market Tablet or Pill Nature Made Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Vitamin D3 is supported by strong evidence for maintaining calcium homeostasis and supporting bone health. Research indicates it plays a critical role in mineral absorption and immune system function. This ingredient profile is generally recognized as safe for daily use.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for D3 400 IU
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

400 IU (100% DV)
Within RDA (0.7× RDA) 608 studies (A:16, B:251)

Other Ingredients

Calcium Carbonate Cellulose Gel Croscarmellose Sodium Maltodextrin Stearic Acid Magnesium Stearate Corn Starch Vitamin D3
Claims

Label Claims — Verification

Unverified No Claim
Info

Product Information

Warnings & Precautions

As ingredients may change from time to time, please check the label on the bottle.

Formulation Notes

Vitamin D 400 I.U.

No Artificial Colors. No Artificial Flavors. No Preservatives. No Yeast. No Gluten.

Additional Information

#1 PHARMACIST RECOMMENDED

USP

D3 is the Body's Preferred Form of Vitamin D

Supports Teeth, Bone and Immune Health

Metadata

Product Details

DSLD Entry Date2013-10-25
Product TypeVitamin
FormTablet or Pill
BrandNature Made
DSLD ID26672
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
309
Meta Analysis
309
Clinical Trial
111
Rct
71
Systematic Review
55
Guideline
4
Cochrane Review
4
Regulatory Source
2
Other
2
Narrative Review
2
Observational
1
Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
View all evidence for Vitamin D →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.